single mode optical fiber

例句：

1. 1. The single mode optical fiber is usedin telecommunications to transmitdata over long distances.
   单模光纤用于电信领域，用于长距离传输数据。
2. 2.The single mode optical fiber is a criticalcomponent in the construction of high-speedinternet networks.
   单模光纤是高速互联网网络建设的关键组件。
3. 3. The single mode optical fiberhas been widely used in medical imaging systemsdue to its high signal-to-noise ratio.
   由于其高信噪比，单模光纤已广泛应用于医疗成像系统。